Lock.



H. G. VOIGHT.

LOCK.

APPLICATION FILED APR. 13. [9m

1 ,242,@$5. Patented Oct. 2, 1917.

2 SHEETS-SHEET I. 4' 1i 7 H. G. VOIGHT.

LOCK.

- APPLICATION FILED APR. 13. 1917.

Patented Oct. 2, 1917.

2 SHEETS-SHEET 2.

I THIN ll scripti-on.

HENR dvorqnnsor new er a n; c u itncwrear, nssreivon TO sAncn v'r & com- PA v, (Jr- E HAVEN, CONNEQTIQUIY, ncortronnrro von CQN'NECTIGUT.

To all whom it may concern Be it known. that I, HENRY G. Yorcrrr, of New Britain, county of Hartford, and State of Connecticut, have invented certain 'neW and useful Improvements inLoc-ks, of which the following is a full,-clear, and e-Xactde- This invention relates to! looks, it has special reference to locks for doorsof hotel rooms which are lighted by electricity.

One of'the objects of the. invention is to provide improved means diorswitching off the lightfor lights,au t'omatically when the door is closed and locked from the outside, so that when the guests leave the-room the lights cannot be left on, inadvertently, to waste the current..-

' To this: and other ends-theinventionconsists in thenovel features and combinations of parts to be hereinafter described and claimed. t

In the accompanying drawings,

Figure l is a front' elevation of a mortise look enabodyingfmy improvements-,with the cap plate removed, the; dead bolt mechanism being in the; normal or retracted position.

2, is, a view of tlienpper-partof the lock shown in Fig. 1, and' of' a part of the strike plate and light-controlling switch, showing the main deadbolt protracted. by

the thumb turn from. the; inside of the; door.

Fig. 3 is. a reverse sectional view ofthe upper part; of the lock illustrating the parts the positions shown Fig; 2.

Fig; 4a is a front elevation of the upper part of the lock showing the bolt mechanism being protracted from the" outside by the change key, with the light-controlling bolt head pressing back: the switch plunger;

Fig. 5 shows-how thev deadbolt mechanism is retracted: from theinside otthe door, in case the door is inadvertently locked from 'the'outsideby the maid-"s key with the; guest Specification of Letters Patent.

oon. I

Figs. 10 and l1 are detail sections on lines 10%110, and 11 -11,: respectively, of Fig. I.

-.Fig'..l2 comprises details of the main'bolt. 13- is a detail of the auxiliary or light-controllingbolthead. I Figs. 14 and 15' are details of the connectins; means for the looltheads.- r

Fig. 16 comprises views of the change key and'emergency key, respectively.

I have shown'my improvements applie tora mortise lock having? a single main-lock ing bolt, which-is protractab'le fromthe inwnte octa 1-?- Applicationv filed April 13, 1917. Serial No. 161,854. r

side-'of therloom bynreansof a thumb'turn the presentapplication may, however, be.

'nse'd"to a'dvantage in looks of other types, amid, while 'my' invention is particularly applicable to the control of a. light-controlling switch for the purpose above pointedout, it not wholly restricted or limited to such useor application; 1

In 'theparticular form shown, the usual mortise lock case 20 having the tace' plate 21:is*equipped with a main deadbolt or look ing, bolt 22., operativefron the outside. of the room by means of a cylinder lock 23 ltavingaserieso t keys. This locking, bo lt is. operative" from the inside of the room by means of a thuzmb turn knob .(notshown) engaging. a thumb-stunt hub" 24 of-ordin-ary type. Beneath the deadbolt, a latchbolt 25 is normally projected out 0t theface plate by a spring26, and: is adapted tobe retracted" by knobs (not shown)" connected'in the. usual way with a hub 27 actuating. a retracting yoke or knob" shoe 28-. i

' The deadbolt. 22 has ashankl 29 guided by a slot 3.0 on the fence or' stump cast on the'ba-ck. oil? the; ease, and-the shank of the bolt also: has a slot 32, by meansat which it clears; the 'thumbtnrn; hub 2% Above the slot 32. the bolt is provided with a pair of talons 33.,z'adapted .to be engaged by a cam or rollback 34 on the cylinder 1001023 previouslymentioned'. "A primary tumbler 35 lSi'PlVOtGCl! on thebolt at 3.6 and bodily-carried thereby. 'This tumbler has alugfi'? adapted to cooperate ll'li-tlle usual; manner with the lience: 31'. so as to lock the=b0lt either inv the: projectedz'position or the retracted a fence 50 on the back of the case, which is position. At the rear extremity of the tumbler 35, the same is provided with a loop 38 which embraces and clears the thumb turn hub 24, andon the upper part of the loop is for the purpose of releasing the lug 37 from the fence 31. while the rollback in acting on the talons projects or retracts the bolt in the usual manner.

Mounted below the deadbolt 22 is a slide 40 which is suitably guided for reciprocation in a line parallel to the deadbolt and is adapted to protract said bolt through the actuation of the thumb-turn hub 24. In the form shown, the slide has a groove engaging a guide fin 41 on the backof the case, anda shoulder 42 projecting upwardly from the slide engages a recess 43 on the lower edge of the bolt shank. When the parts are in the position shown in Fig. '1, the shoulder 42 engages the forward edge of recess 2 43' so that the bolt may be protracted by the forward movement of the slide, as shown in Fig.3. The slide carries a post 44 on which is pivoteda secondarytumbler 45 which is adapted to be'actuated either by the thumbturn hub 24, or by. an. auxiliary or emer- 30.

gency rollback 46, (Fig.4) of the cylinder look. For this purpose the secondary tumbler is provided with a pin 47 projecting .over the loop 38, of the primary tumbler,

and located between wings 24 24*, on the hub 24 while an arm 46 extends from the end of the secondary tumbler back against the rear wall of the case and upward into proximity to the cam or rollback 46, as shown at 46 so as to cotiperate with said rollback in depressing the secondary tum- 'bler. It will be understood that the sweep portion 46 of the secondary tumbler lies in the plane of the cam 46 of the cylinder look, while the talons of the deadbolt, and the projection 39 of the primary tumbler lie in the plane of the cam 34. The cylinder lock construction is substantially the same as that shown in my application, Serial No. 9537 6, and it is therefore unnecessary to describe it in detail. It may be said, however, that the cam 34 is fixed to a key plug which is rotatable by both the change key 48 and theemergency key 49 (Fig. 16), whereas the cam 46 is mounted on a short sleeve which can be rotated only by the emergency key 49. In other words, the change key operates the primary cam alone, and the emergency key operates both cams simulta neously.

The secondary tumbler 45 cooperates with adapted to hold said tumbler and thereby the connected slide 40 either in the retracted position or in the advanced position. A lug 51 on the intermediate portion of the seeas shown in Fig. 2. I -protracted by the mechanism hereinafter 'ondary tumbler is located above the hook 52 depending from the primary tumbler, the arrangement being such that the depression of the secondary tumbler, either through the thumb turn hub or through the cylinder lock mechanism, will cause a corresponding depression of the primary tumbler so as to disengage the same from the fence 31.

in the particular form shown, the'head of the deadbolt 22 occupies the lower portion, only, of the opening 53 in the face plate 21, as shown in Fig. 7; Above this deadbolt head in the opening 53is the head of a subsidiary or auxiliary bolt 54 shown in detail in Fig. 13. The auxiliary bolt-is adapted to actuate any ordinaryform of light-controlling switch 55 located behind the strike plate 56, as shown in Fig. 2, and having an operating plunger 57 located in the keeper opening of the strike plate in line with the auxiliary bolt 54. The'plunger 57 is norreally protracted from the case of the switch mechanism in the ordinary manner, so asto extend into proximityto the head of bolt 54 when the latter is in the retracted position, When the bolt 54 is described, it pushes the plunger 57 into the casing of the switch 1118Cl1LI11S111,13l10-00I1 struction of said mechanism being such that when the plunger or button is so pressed in the electric circuit will be broken to turn out the lights in the'room.

The auxiliary bolt 54 is adapted to be connected to and released from the main locking bolt 22 by the following mechanism:

In the head of bolt 54 is drilled abore 58 in which is vertically slidable a locking pin 59. The bore 58 is open at the bottom of the auxiliary bolt so that the lower end of into the socket 60 so as to lock the two bolt heads together, as shown in Fig. 8. The lever 61 is pivoted intermediate if its ends on a post 62 projecting forwardly from the rear end portion of the shank se er the auxiliary bolt, and said lever is acted on by a spring- 63 which normally presses; the forward end 64 of the lever in a downward. direction. This forward end of the lever engages a notch 65 in the pin 59 and consequently when it is forced downward by the spring 63. the pin engages the socket 60. The rear end of the lever 61 is bent back- .ward, as shown at. 66, and underlies anexrelatively to the main locking bolt, by means of the post 62, previously d'escribechwhich engages a. slot-.67; in an; upwardly-extending wall. 68 on, the bolt shank -29.- When the, post 69-l$i1l1- the forward-endof; slot- 67, the

front endmf the auxiliary .boltiis flush with the front,- end; of the: main f. locking. bolt, and.

\Y;l1611 ,tl1 0 post isiat;tl1e-..rea r endofthe slot, the auxiliary bolt? is. considerably; retracted.

relatively to theemainibolt. Tjl1QlQV6I;-.6l1 is laid vflat against :the .1 shank it f the auxili arybolt with; its forward-tend extend,- ingthl'iOu'gh, a slot. 58% intoengagement w 1th the.locking. pin. in, the. bore 58,-v and; the.

bolt and another arm extending into .engagement :with; the fence 31 vwhr-irebyfthe auxiliary, bolt isiheld' in. the proper. position relatively .to the main boljtn Theopcration of; the.1m-proved tion of the parts when, the doorisopenis shownin Fig, 1. Whenthejdoor:isclosed from the inside by-.-the.-thumb turn, the. secondary tumbler lsdepressed and CZWI'lEd' forward, in .an-lobvi-ous, manner, carrying:

by the thumb turn causes 1 the extension 46 V tobe depressed, thereby carryingdownwardthe extension 66: on the rear; end ofc the pin.

operating lever 61. and raising: the pine 59 out, .of' the. socket; 60- and into engagement with therear surface of the lock front. a In other words, the auxiliary; bolt .is released from the -main bolt, and, at the same time, locked back-in thecasing, .so-that themain bolt is protracted alone. This main bolt has 'no cooperation with .the light-controlling switch 55, and therefore the locking of therdoorfrom the inside has no-effect-on the lighting circuit. When the guest leaves the room, however, and locks the door from the outside with the change key, the cam 34: is rotated individually so as to protract the bolt 22 with the primary tumbler, leaving the slide 40 and the secondary tumbler in their normal positions, as shown in Fig. 4. As under these conditions there is no actuation of the secondary tumbler, the pin 59 remains in its normal position wherein it locksthe auxiliary bolt to the main bolt, and consequently both bolts are protracted simultaneously. As the head of the auxiliar bolt is in line with the plunger 57 of the switch, the latter is actuated to turn off the lights, and thus when the key e8 locks -lock-i is substantially as follows; The. normal. poshthe door. :the. lights are turned 'offrautomate ically; so,- that. there. Wi l1; be. no. Waste of current; Y

, Supposing. that the guesttneglects to lock the door. whenhe entersthe room, and the chambermaid', on someone else, locksuthedoor; from .theoutside, by. one of.-'the keysnfa lower ordcn which. actuates.- the. camr3 individually, the guest can. readily QPennthQl dQOT. by advancing, the slide. 40 and its connectedj tumbler mechanism from theposition-shown in Fig. 4:,to Ethat sliowniinaFig. 2,-by giving the hubQ l-v a; quarter-turn, ina-aicl ockwise: direction with respect to Eig. 4:; Upon then. reversi the direction of rotation} of; i the thumb-turn hub, bOthlbOlliS.) are then pulled. back into the case. During. theinitial part of, this movement, the-pini 59; isathrust {up out of the top. of-bore. 58; injfront. ofi the face plate, but as the operationnis conltinned a beveled surface 59?, 0n-the upper end of'the pin, comes in contact With :the upper edge of the opening in. the-face plate, thereby forcing. downthe pin to. a. position in whichit permits thebolts to be retracted without difficulty. Whemthe dooizis locked from the outside-by theemergency key both; tumblers are actuated,butveven in: this-case the :guest cannot be lockedinyhis 11oo1n-.for the. thumb turn will: act on both tumblers and retractthe bolt 22, r in the: manner pres viously describedm Various changes tails of the constructiom without,- departing. from the scope of the invention-as defined in. theiclaims; 1

% lVhat-I' claim is, 1 1; In. it'lOCk, two boltsy-one o-f Whichis normally connected withthe other,*key actuatedi means for protracting bothiboltsbyactuation of such other bolt, andthumb turn means for disconnecting said bolts from each other and protracting one independent-ly. of the-other;

2. In a: lock, two bolts, a pin. normally connecting one bolt. withj the other, key mechanismfor protractingboth bolts simul-. taneously, and thumb turn mechanism for moving saidpin to an inoperative position and protracting one bolt independently of the other.

3. In a lock, two bolts, one of said'bolts being tumbler controlled, means for connecting the other bolt with and disconnecting it from said tumblercontrolled bolt, key mechanism for protracting both bolts simultaneously, and thumb turn mechanism for disconnecting said bolts and protracting one in dependently of the other. 7

4. In a look, a tumbler-controlled bolt,'a second bolt, means for connecting said second bolt with and disconnecting it fromvsaid tumbler-controlled bolt, means for protracting both bolts by actuation of said tumbler- Controlled bolt, and means for disconnecting may besmad'e rinYthe de the second bolt from the tumbler-controlled bolt-andprotracting the latter individually.

V 5. In a look, a tumbler-controlled bolt, an auxiliary bolt, a pin normallv connecting i said auxiliary bolt with said tumbler-controlled bolt, means for protracting both bolts by actuation of said tumbler-controlled bolt when said pin is in the operative position, and means for disconnecting said pin and protracting the tumbler-controlled bolt independently of said auxiliary bolt. 1

6 In a look, a tumbler-controlled bolt, an auxiliary bolt, a pin normally connecting said auxiliary bolt with said tumbler-con trolled bolt, means for protracting both bolts by actuation of said tumbler-controlled bolt when said pin is in the operative position, and means for disconnecting said pin and protracting'the tumbler-controlled bolt independently of said auxiliary bolt, one of said protracting means including a cylinder lock and the other protracting means including a thumb turn hub.

7.- In a lock, a tumbler-controlled bolt, an auxiliary bolt, a pin normally connecting said auxiliary bolt with said tumbler-controlled bolt, means for protracting both bolts by actuation ofsaid tumbler-controlled bolt when said pin is in the operative position, and means for disconnecting said pin and protracting the tumbler-controlled bolt independently of said auxiliary bolt, said first protracting means including a cylinder lock and said second protracting means including a thumb turn hub.

8. In a lock, tWo bolts, key mechanism for protracting said bolts simultaneously, and thumb turn mechanism for protracting one bolt independently of the other, but constructed and arranged to retract bothbolts when they have been protracted by said key mechanism.

9. In a look, a tumbler-controlled bolt, an auxiliary bolt, means for connecting and disconnecting said bolts, means for protracting both bolts simultaneously, and means for protracting one bolt independently of the auxiliary bolt with and disconnecting it from said tumbler-controlled'bolt, a cylinderlook, a change key for said cylinder lock adapted to protract both bolts simultaneously, thumb turn means constructed to disconnect said bolts and protract said tumbler-controlled bolt individually, and means for retracting both bolts by said thumb turn means when they have been protractedby said change key.

12. In a lock, two bolts, means for con-- necting and disconnecting said bolts, means including a cylinder lock for protracting both bolts simultaneously,and thumb-turn mechanism for protracting one bolt independently of the other.

' 13. In a lock, two bolts, means normally interconnecting said bolts, means for protracting the bolts while they remain interconnected,-and means for disconnecting the bolts and for protracting one of them individually. 1

14. In a lock, two bolts, means normally interconnecting said bolts so that they may be protracted simultaneously, key mechanism operative from the outside of the door for so protracting said bolts, and thumbturn mechanism operative from the inside of the door for disconnecting said bolts from each other and protracting one of them independently of the other. I

In witness whereof, I have hereunto set my hand on the 10th day of April, 1917.

HENRY e. voierrr.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G. 

